Ergonomic pillow



FIG. 1: Top plan view,

FIG. 2: Top plan view;

FIG. 3: Bottom plan view;

FIG. 4: Front elevation;

FIG. 5: Rear elevation;

FIG. 6: Left side elevation; and,

FIG. 7: Right side elevation.

The broken lines showing the child are for environmental purposes only and form no part of the claimed design. 

The ornamental design for an ergonomic pillow, as shown and described. 